Home / 156,997.37-216,674.60-88,105.79

Finding the Fourth Proportional to 156,997.37, 216,674.60 and 88,105.79

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Solution

The fourth proportional to 156,997.37, 216,674.60 and 88,105.79 is: 121,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,997.37 : 216,674.60 = 88,105.79 : x
  2. Step 2: Convert to fraction form
    156,997.37/216,674.60 = 88,105.79/x
  3. Step 3: Cross multiply
    156,997.37x = 216,674.60 × 88,105.79
  4. Step 4: Simplify right side
    156,997.37x = 19,090,286,907.09
  5. Step 5: Solve for x
    x = 19,090,286,907.09/156,997.37
  6. Step 6: Final answer
    x = 121,596.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.